Season 3
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Episodes
Underdog vs. Overcat, Part 1 0.0
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The planet Felina's milk wells have run dry which makes the evil ruler Overcat mad. He and his men go to Earth and stea…
Underdog vs. Overcat, Part 2 0.0
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Polly tells Overcat about Underdog but he is not worried; he kidnaps her to milk the cows. Polly calls for Underdog. Wh…
Underdog vs. Overcat, Part 3 0.0
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Polly gives Underdog his energy pill and he beats Overcat's men. Next, Underdog takes Polly and the cows back to earth.…
Underdog vs. Overcat, Part 4 0.0
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At first it look like Overcat is going to win. But even though he's as strong as Underdog, he's not fast. Underdog uses…
The Big Dipper, Part 1 0.0
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Sinister and Cad invent another evil device they call the Big Dipper, a machine that can dry up all of the world's wate…
The Big Dipper, Part 2 0.0
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Simon and Cad have invented a device to drain off the world's water supply. The pair travels around the world and steal…
The Big Dipper, Part 3 0.0
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Simon and Cad have drained the Atlantic Ocean and they've defeated Underdog. They return to the USA where the people ar…
The Big Dipper, Part 4 0.0
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Simon has finally forced the people of the city and the world to give him ultimate power. Underdog is still stuck in th…
Just in Case, Part 1 0.0
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The prison warden's chief officer informs him that Riff Raff is assembling a gang and is planning on escaping. They fee…
Just In Case, Part 2 0.0
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As Riff Raff and his newly acquired gang is being pursued by the prison guards, Shoeshine Boy is finally able to change…
Just In Case, Part 3 0.0
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Riff and his gang decide to rob one more vessel before they go for their biggest catch, The Queen May. But, Polly has h…
Just In Case, Part 4 0.0
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Polly watches helplessly as Underdog fall victim to the witch doctor's voodoo spell. Luckily, a passing sea gull grabs …
The Marbleheads, Part 1 0.0
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A strange object crash-lands on earth. A group of scientists check out the mysterious object, determining that it's a h…
The Marbleheads, Part 2 0.0
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After all the reporters and news crew leave the site of the strange object, two stonehead creatures from the planet Gra…
The Marbleheads, Part 3 0.0
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Just before they are ready to head home with their slaves they captured with the Granite Gun, Crusher and Gravel are co…
The Marbleheads, Part 4 0.0
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In this final episode, Shoeshine asks for a drink of water after being placed in his cell. When he gets it from the gua…
Simon Says, Be my Valentine, Part 1 0.0
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Simon invents the Valentine Vault which turns people into paper valentines. He orders Cad and his two henchmen to kidna…
Simon Says 'Be My Valentine', Part 2 0.0
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Shoeshine Boy sees Cad and his henchmen kidnap Polly. He must let them beat him up to protect his secret identity. He w…
Simon Says 'Be My Valentine', Part 3 0.0
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Shoeshine Boy finally transforms into Underdog. He frees Polly, but she faints before warning him about the Valentine m…
Simon Says 'Be My Valentine', Part 4 0.0
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Polly pulls the handcuffs off of the pole and cries over her now-paper hero. Then she hears the familiar saying, "The s…
Round and Round, Pt 1 0.0
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Sweet Polly is reporting a launch in space but the capsule is pulled off course to an uncharted planet. On this planet,…
Round and Round, Pt 2 0.0
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After returning from a strange planet and wearing a charm that the alien from the planet he brought back to Earth with …
Round and Round, Pt 3 0.0
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When Underdog gets dizzy during an interview after returning from a strange planet, he is rushed to the hospital where …
Round and Round, Pt 4 0.0
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In the final episode, the giant finishes toying with Underdog and bats him back to the hospital. With Underdog out of t…
A New Villain, Part 1 0.0
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After a violent thunderstorm ravages the city, the community gathers in front of one of the steel buildings to see a me…
A New Villain, Part 2 0.0
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Flim and Polly agree that humble, loveable Shoeshine boy would be able to make sense of the riddle 'A Rhyme in Time Sav…
A New Villain, Part 3 0.0
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The Electric Eel traps Underdog in his electric cage. As the cage closes in around him, the cage fills Underdog's body …
A New Villain, Part 4 0.0
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The Electric Eel and his gang head for Washington, D.C. to take over the country. But Underdog is on the mend; the wate…
Batty Man, Part 1 0.0
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A series of crimes are being perpetrated all over the country. Underdog tries to solve them, but finds no clues as to w…
Batty Man, Part 2 0.0
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Batty Man, a take-off of Bela Lugosi's Count Dracula is an evil vampire. He, with his hench-bat Georgie and his army of…
Batty Man, Part 3 0.0
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Batty Man has captured Polly and Underdog. The villains raid Fort Knox, returning to Batty Man's castle with the plunde…
Batty Man, Part 4 0.0
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Polly and our hero have been placed onto the conveyor belt of Batty Man's bowling ball presser. The steam from the mach…
The Vacuum Gun, Part 1 0.0
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Simon Bar Sinister makes a vacuum gun which he uses to catch Riff Raff, Electric Eel, Batty man and all of their men fo…
The Vacuum Gun, Part 2 0.0
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Sweet Polly is captured by Simon and calls for Underdog. Unfortunately, his energy was drained from saving the ship so …
The Vacuum Gun, Part 3 0.0
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Underdog's ring has fallen off his finger; Polly dives underwater to find it. Meanwhile, Simon and his army are using t…
The Vacuum Gun, Part 4 0.0
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Polly finds Underdog's ring. He takes his energy pill then defeats Electric Eel, Riff Raff and Batty Man. Simon uses hi…
Phoney Booths, Part 1 0.0
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Cad, Simon Bar Sinister's henchman, replaces real phone booths with Phoney Booths. When he returns to the lab to tell h…
Phoney Booths, Part 2 0.0
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More unsuspecting people fall prey to Simon's Phoney Booths. A banker steps into a booth and is ordered to bring all th…
Phoney Booths, Part 3 0.0
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Simon toys with Underdog who is now in his power after stepping into one of Simon's Phoney Booths. He makes him dance, …
Phoney Booths, Part 4 0.0
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Simon instructs an entranced Underdog to destroy Polly. As he approaches the trapped reporter, his brain fights the min…